Patent US2491912A successfully refreshed from Google Patents.
Patent US2606676A successfully refreshed from Google Patents.
US2606676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transporting equipment for vehicles
Assignee: Individual
•
Filing: 1947-01-03
•
Granted: 1952-08-12
•
Expires: 1967-01-03
Abstract
No abstract record available.
Inventors
- 👤 George R Dempster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; Y; Y10; Y10S; Y10S414/00; Y10S414/132; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |